Answer:
The big mistakes of generals was that they did not use the artillery effectively.
Explanation:
the mistakes made by generals and soldiers are given below:
1) The generals did not use the artillery effectively which leads to high British casualties in the battle of Somme.
2) The generals attack on the Germans without making any plane for it. they consider that Germans did not stand against high number of British soldiers but the soldiers did not achieve its goal due to high number of machine guns which was installed at the Germans.
Some plantion owners had cash crops and there they worked the slaves harder
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Experience. That's the answer because experiences make you scared, happy, excited, nervous... if your car crashed on an icy road, you would be scared to go on an icy road a second time because of past EXPERIENCE. Hopefully this helps!!